/* menu */

td.pad {
	padding-top: 10px !important;
}

#top_menu { height: 38px; position:relative; margin:0px; padding:0px; font-family:tahoma, arial; }
#top_menu td { padding:0; vertical-align: middle; }
#top_menu td a { display: block; height: 38px; text-decoration: none; font-size:1%; }

#top_menu .nav1 { width: 101px; background: url(../img/menu_about.gif) left top no-repeat; }
#top_menu .nav2 { width: 101px; background: url(../img/menu_services.gif) left top no-repeat; }
#top_menu .nav3 { width: 101px; background: url(../img/menu_certification.gif) left top no-repeat; }
#top_menu .nav4 { width: 101px; background: url(../img/menu_contact.gif) left top no-repeat; }

#top_menu .nav1_on { width: 101px; background: url(../img/menu_about.gif) left bottom no-repeat; }
#top_menu .nav2_on { width: 101px; background: url(../img/menu_services.gif) left bottom no-repeat; }
#top_menu .nav3_on { width: 101px; background: url(../img/menu_certification.gif) left bottom no-repeat; }
#top_menu .nav4_on { width: 101px; background: url(../img/menu_contact.gif) left bottom no-repeat; }

#top_menu td:hover, #top_menu td.jshover { background-position: left bottom; }

/*#top_menu td:hover a, #top_menu td.jshover a {color:#006976;}*/
/*#top_menu td:hover td:hover, #top_menu td.jshover td.jshover { background: #9B9B9B; }*/

/*#top_menu td:hover td:hover a, #top_menu td.jshover td.jshover a {color: #ffffff;}*/

/* sub 1 */
#top_menu td table {
	 visibility: hidden;
	 position: absolute;
  	 background: #EAE9E9 url(../img/bg_submenu.gif) repeat-x;
	 margin: 0;
	 padding: 0;
	 border: 0;
	 z-index:999;
	 font-family: arial;
	}
							  
#top_menu td:hover table,  #top_menu td.jshover table { visibility: visible;}

#top_menu td td {
	 padding: 0 0 7px 0;
	 position: relative;
	 vertical-align: middle;
	 z-index:1000;
	 font-family:tahoma, arial;
	 font-weight: bold;
	}
	
#top_menu td td a {
	display: block;
	margin: 0 0 0 0;
	padding: 2px 30px 0px 17px;
	text-align: left;
	font-size: 12px;
	color: #4C4848;
	font-weight: bold;
	text-decoration: none;
	white-space: nowrap;
	height: 19px;
	}

#top_menu td:hover td:hover a, #top_menu td.jshover td.jshover a {color: #343A3E;}
#top_menu td:hover td:hover a, #top_menu td.jshover td.jshover a {background: #9B9B9B;}

/* sub 2 */
/*#top_menu td:hover td table, #top_menu td.jshover td table {
	display: none;
	border: #A5A5A5 solid 1px;
	margin-top:-21px;
	margin-left: 100px;
	position: absolute;
	} 

#top_menu td:hover td:hover table, #top_menu td.jshover td.jshover table  {display: block;}
#top_menu td td td {vertical-align: middle;}
#top_menu td:hover td:hover td a, #top_menu td.jshover td.jshover td a {	color: #343A3E;}
#top_menu td:hover td:hover td:hover a, #top_menu td.jshover td.jshover td.jshover a {color: #D2D4D5;}*/
/* end menu */